<?php
use yii\helpers\Html;
?>
<div  style="overflow-y:scroll;overflow-x:visible ;height: calc( 100% )">
<div class="wrapper wrapper-content  animated fadeInRight">
<div class="panel panel-default">
    <div class="panel-body" >
        <ul class="list-group">
            <?php   foreach ($list as $key=>$val){  ?>
                <li class="list-group-item" style="word-wrap:break-word">
                    <?php   echo $key.'---- '.$val;?>
                </li>
            <?php }?>
        </ul>
    </div>
</div>
</div>
</div>